Add BoringSSL to third_party .

As usual, README.md contains reproduction instructions.

It would be better to directly use the source tree under `boringssl.googlesource.com`, but for the time being, this will do.

Change-Id: I72ef030251c41eaed459c4abd93228f23223783b

1 files changed, 286 insertions, 0 deletions

diff --git a/third_party/boringssl/src/tool/client.cc b/third_party/boringssl/src/tool/client.cc
new file mode 100644
index 0000000000..cd8353bc3a
--- /dev/null
+++ b/third_party/boringssl/src/tool/client.cc
@@ -0,0 +1,286 @@
+/* Copyright (c) 2014, Google Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
+
+#include <openssl/base.h>
+
+#include <openssl/err.h>
+#include <openssl/pem.h>
+#include <openssl/ssl.h>
+
+#include "../crypto/test/scoped_types.h"
+#include "../ssl/test/scoped_types.h"
+#include "internal.h"
+#include "transport_common.h"
+
+
+static const struct argument kArguments[] = {
+    {
+     "-connect", kRequiredArgument,
+     "The hostname and port of the server to connect to, e.g. foo.com:443",
+    },
+    {
+     "-cipher", kOptionalArgument,
+     "An OpenSSL-style cipher suite string that configures the offered ciphers",
+    },
+    {
+     "-max-version", kOptionalArgument,
+     "The maximum acceptable protocol version",
+    },
+    {
+     "-min-version", kOptionalArgument,
+     "The minimum acceptable protocol version",
+    },
+    {
+     "-server-name", kOptionalArgument,
+     "The server name to advertise",
+    },
+    {
+     "-select-next-proto", kOptionalArgument,
+     "An NPN protocol to select if the server supports NPN",
+    },
+    {
+     "-alpn-protos", kOptionalArgument,
+     "A comma-separated list of ALPN protocols to advertise",
+    },
+    {
+     "-fallback-scsv", kBooleanArgument,
+     "Enable FALLBACK_SCSV",
+    },
+    {
+     "-ocsp-stapling", kBooleanArgument,
+     "Advertise support for OCSP stabling",
+    },
+    {
+     "-signed-certificate-timestamps", kBooleanArgument,
+     "Advertise support for signed certificate timestamps",
+    },
+    {
+     "-channel-id-key", kOptionalArgument,
+     "The key to use for signing a channel ID",
+    },
+    {
+     "-false-start", kBooleanArgument,
+     "Enable False Start",
+    },
+    { "-session-in", kOptionalArgument,
+      "A file containing a session to resume.",
+    },
+    { "-session-out", kOptionalArgument,
+      "A file to write the negotiated session to.",
+    },
+    {
+     "", kOptionalArgument, "",
+    },
+};
+
+static ScopedEVP_PKEY LoadPrivateKey(const std::string &file) {
+  ScopedBIO bio(BIO_new(BIO_s_file()));
+  if (!bio || !BIO_read_filename(bio.get(), file.c_str())) {
+    return nullptr;
+  }
+  ScopedEVP_PKEY pkey(PEM_read_bio_PrivateKey(bio.get(), nullptr, nullptr,
+                                              nullptr));
+  return pkey;
+}
+
+static bool VersionFromString(uint16_t *out_version,
+                              const std::string& version) {
+  if (version == "ssl3") {
+    *out_version = SSL3_VERSION;
+    return true;
+  } else if (version == "tls1" || version == "tls1.0") {
+    *out_version = TLS1_VERSION;
+    return true;
+  } else if (version == "tls1.1") {
+    *out_version = TLS1_1_VERSION;
+    return true;
+  } else if (version == "tls1.2") {
+    *out_version = TLS1_2_VERSION;
+    return true;
+  }
+  return false;
+}
+
+static int NextProtoSelectCallback(SSL* ssl, uint8_t** out, uint8_t* outlen,
+                                   const uint8_t* in, unsigned inlen, void* arg) {
+  *out = reinterpret_cast<uint8_t *>(arg);
+  *outlen = strlen(reinterpret_cast<const char *>(arg));
+  return SSL_TLSEXT_ERR_OK;
+}
+
+bool Client(const std::vector<std::string> &args) {
+  if (!InitSocketLibrary()) {
+    return false;
+  }
+
+  std::map<std::string, std::string> args_map;
+
+  if (!ParseKeyValueArguments(&args_map, args, kArguments)) {
+    PrintUsage(kArguments);
+    return false;
+  }
+
+  ScopedSSL_CTX ctx(SSL_CTX_new(SSLv23_client_method()));
+
+  const char *keylog_file = getenv("SSLKEYLOGFILE");
+  if (keylog_file) {
+    BIO *keylog_bio = BIO_new_file(keylog_file, "a");
+    if (!keylog_bio) {
+      ERR_print_errors_cb(PrintErrorCallback, stderr);
+      return false;
+    }
+    SSL_CTX_set_keylog_bio(ctx.get(), keylog_bio);
+  }
+
+  if (args_map.count("-cipher") != 0 &&
+      !SSL_CTX_set_cipher_list(ctx.get(), args_map["-cipher"].c_str())) {
+    fprintf(stderr, "Failed setting cipher list\n");
+    return false;
+  }
+
+  if (args_map.count("-max-version") != 0) {
+    uint16_t version;
+    if (!VersionFromString(&version, args_map["-max-version"])) {
+      fprintf(stderr, "Unknown protocol version: '%s'\n",
+              args_map["-max-version"].c_str());
+      return false;
+    }
+    SSL_CTX_set_max_version(ctx.get(), version);
+  }
+
+  if (args_map.count("-min-version") != 0) {
+    uint16_t version;
+    if (!VersionFromString(&version, args_map["-min-version"])) {
+      fprintf(stderr, "Unknown protocol version: '%s'\n",
+              args_map["-min-version"].c_str());
+      return false;
+    }
+    SSL_CTX_set_min_version(ctx.get(), version);
+  }
+
+  if (args_map.count("-select-next-proto") != 0) {
+    const std::string &proto = args_map["-select-next-proto"];
+    if (proto.size() > 255) {
+      fprintf(stderr, "Bad NPN protocol: '%s'\n", proto.c_str());
+      return false;
+    }
+    // |SSL_CTX_set_next_proto_select_cb| is not const-correct.
+    SSL_CTX_set_next_proto_select_cb(ctx.get(), NextProtoSelectCallback,
+                                     const_cast<char *>(proto.c_str()));
+  }
+
+  if (args_map.count("-alpn-protos") != 0) {
+    const std::string &alpn_protos = args_map["-alpn-protos"];
+    std::vector<uint8_t> wire;
+    size_t i = 0;
+    while (i <= alpn_protos.size()) {
+      size_t j = alpn_protos.find(',', i);
+      if (j == std::string::npos) {
+        j = alpn_protos.size();
+      }
+      size_t len = j - i;
+      if (len > 255) {
+        fprintf(stderr, "Invalid ALPN protocols: '%s'\n", alpn_protos.c_str());
+        return false;
+      }
+      wire.push_back(static_cast<uint8_t>(len));
+      wire.resize(wire.size() + len);
+      memcpy(wire.data() + wire.size() - len, alpn_protos.data() + i, len);
+      i = j + 1;
+    }
+    if (SSL_CTX_set_alpn_protos(ctx.get(), wire.data(), wire.size()) != 0) {
+      return false;
+    }
+  }
+
+  if (args_map.count("-fallback-scsv") != 0) {
+    SSL_CTX_set_mode(ctx.get(), SSL_MODE_SEND_FALLBACK_SCSV);
+  }
+
+  if (args_map.count("-ocsp-stapling") != 0) {
+    SSL_CTX_enable_ocsp_stapling(ctx.get());
+  }
+
+  if (args_map.count("-signed-certificate-timestamps") != 0) {
+    SSL_CTX_enable_signed_cert_timestamps(ctx.get());
+  }
+
+  if (args_map.count("-channel-id-key") != 0) {
+    ScopedEVP_PKEY pkey = LoadPrivateKey(args_map["-channel-id-key"]);
+    if (!pkey || !SSL_CTX_set1_tls_channel_id(ctx.get(), pkey.get())) {
+      return false;
+    }
+  }
+
+  if (args_map.count("-false-start") != 0) {
+    SSL_CTX_set_mode(ctx.get(), SSL_MODE_ENABLE_FALSE_START);
+  }
+
+  int sock = -1;
+  if (!Connect(&sock, args_map["-connect"])) {
+    return false;
+  }
+
+  ScopedBIO bio(BIO_new_socket(sock, BIO_CLOSE));
+  ScopedSSL ssl(SSL_new(ctx.get()));
+
+  if (args_map.count("-server-name") != 0) {
+    SSL_set_tlsext_host_name(ssl.get(), args_map["-server-name"].c_str());
+  }
+
+  if (args_map.count("-session-in") != 0) {
+    ScopedBIO in(BIO_new_file(args_map["-session-in"].c_str(), "rb"));
+    if (!in) {
+      fprintf(stderr, "Error reading session\n");
+      ERR_print_errors_cb(PrintErrorCallback, stderr);
+      return false;
+    }
+    ScopedSSL_SESSION session(PEM_read_bio_SSL_SESSION(in.get(), nullptr,
+                                                       nullptr, nullptr));
+    if (!session) {
+      fprintf(stderr, "Error reading session\n");
+      ERR_print_errors_cb(PrintErrorCallback, stderr);
+      return false;
+    }
+    SSL_set_session(ssl.get(), session.get());
+  }
+
+  SSL_set_bio(ssl.get(), bio.get(), bio.get());
+  bio.release();
+
+  int ret = SSL_connect(ssl.get());
+  if (ret != 1) {
+    int ssl_err = SSL_get_error(ssl.get(), ret);
+    fprintf(stderr, "Error while connecting: %d\n", ssl_err);
+    ERR_print_errors_cb(PrintErrorCallback, stderr);
+    return false;
+  }
+
+  fprintf(stderr, "Connected.\n");
+  PrintConnectionInfo(ssl.get());
+
+  if (args_map.count("-session-out") != 0) {
+    ScopedBIO out(BIO_new_file(args_map["-session-out"].c_str(), "wb"));
+    if (!out ||
+        !PEM_write_bio_SSL_SESSION(out.get(), SSL_get0_session(ssl.get()))) {
+      fprintf(stderr, "Error while saving session:\n");
+      ERR_print_errors_cb(PrintErrorCallback, stderr);
+      return false;
+    }
+  }
+
+  bool ok = TransferData(ssl.get(), sock);
+
+  return ok;
+}